backport ignoring install types in config mode from install_integration branch

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>

cdist/config.py

@@ -163,8 +163,12 @@ class Config(object):
         """Short name for object list retrieval"""
         for cdist_object in core.CdistObject.list_objects(self.local.object_path,
                                                          self.local.type_path):
+            if cdist_object.cdist_type.is_install:
+                self.log.debug("Running in config mode, ignoring install object: {0}".format(cdist_object))
+            else:
                 yield cdist_object
 
+
     def iterate_once(self):
         """
             Iterate over the objects once - helper method for 

cdist/core/cdist_type.py

@@ -101,6 +101,11 @@ class CdistType(object):
         """Check whether a type is a singleton."""
         return os.path.isfile(os.path.join(self.absolute_path, "singleton"))
 
+    @property
+    def is_install(self):
+        """Check whether a type is used for installation (if not: for configuration)"""
+        return os.path.isfile(os.path.join(self.absolute_path, "install"))
+
     @property
     def explorers(self):
         """Return a list of available explorers"""